From 2d3d0ba0a9c3d63a8d7642b5c212e5f4b8787e40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sim=C3=B3=20Albert=20i=20Beltran?= <sim6@bona.gent>
Date: Sat, 12 Feb 2022 06:56:44 +0100
Subject: [PATCH] Backup scripts
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Signed-off-by: Simó Albert i Beltran <sim6@bona.gent>
---
 sysadm/dd-backup | 35 +++++++++++++++++++++++++++++++++++
 sysadm/dd-borg   | 30 ++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100755 sysadm/dd-backup
 create mode 100755 sysadm/dd-borg

diff --git a/sysadm/dd-backup b/sysadm/dd-backup
new file mode 100755
index 0000000..1d59931
--- /dev/null
+++ b/sysadm/dd-backup
@@ -0,0 +1,35 @@
+#!/bin/bash -e
+# bash needed to trap ERR
+
+BACKUP_SERVER="${BACKUP_SERVER-$(hostname)@192.168.100.2}"
+
+trap maintenance_disable SIGHUP SIGINT SIGQUIT SIGABRT SIGTERM ERR
+
+maintenance_disable(){
+  docker-compose exec -T isard-apps-moodle php7 admin/cli/maintenance.php --disable
+  docker-compose exec -T -u www-data isard-apps-nextcloud-app php occ maintenance:mode --off
+  docker-compose run isard-apps-wordpress-cli wp maintenance-mode deactivate
+}
+
+cd /opt/src/digitaldemocratic/
+
+docker-compose exec -T isard-apps-moodle php7 admin/cli/maintenance.php --enable
+docker-compose exec -T -u www-data isard-apps-nextcloud-app php occ maintenance:mode --on
+docker-compose run isard-apps-wordpress-cli wp maintenance-mode activate
+
+mkdir -p /opt/digitaldemocratic/db_dump
+
+docker-compose exec -T isard-apps-postgresql pg_dumpall -U admin > /opt/digitaldemocratic/db_dump/postgres.sql
+
+docker-compose exec -T isard-apps-mariadb sh -c 'mysqldump -p"$MYSQL_ROOT_PASSWORD" --all-databases --all-tablespaces' > /opt/digitaldemocratic/db_dump/mariadb.sql
+
+docker-compose exec -T isard-apps-redis redis-cli SAVE
+docker-compose exec -T isard-apps-redis cat dump.rdb > /opt/digitaldemocratic/db_dump/redis.rdb
+
+rsync -aHAX --del /opt/digitaldemocratic/ $BACKUP_SERVER:opt_digitaldemocratic/
+
+rsync -aHAX --del /opt/src/ $BACKUP_SERVER:opt_src/
+
+date +"%Y-%m-%d_%H:%M:%S" | ssh $BACKUP_SERVER tee backup_date
+
+maintenance_disable
diff --git a/sysadm/dd-borg b/sysadm/dd-borg
new file mode 100755
index 0000000..460a564
--- /dev/null
+++ b/sysadm/dd-borg
@@ -0,0 +1,30 @@
+#!/bin/sh -e
+
+BACKUP_SERVER="${BACKUP_SERVER-dd-backups@backup.digitaldemocratic.net}"
+BORG_PASSCOMMAND="${BORG_PASSCOMMAND-cat $HOME/.borg-passphrase}"
+
+wait_backup(){
+  if ! [ -f /home/$1/backup_date ]
+  then
+    exit
+  fi
+  current_date="$(date +"%Y-%m-%d")"
+  while ! [ "$current_date" = "$(cut -b1-10 /home/$1/backup_date)" ]
+  do
+    sleep 60
+    if [ "$current_date" != "$(date +"%Y-%m-%d")" ]
+    then
+      echo "No backup for $1 at $current_date" >&2
+      exit 1
+    fi
+  done
+  export BORG_PASSCOMMAND
+  borg create ssh://$BACKUP_SERVER/~/$1.borg::$(cat /home/$1/backup_date) /home/$1
+  borg prune -d7 -w4 -m12 -y5 ssh://$BACKUP_SERVER/~/$1.borg
+}
+
+
+for item in $(ls /home)
+do
+  wait_backup $item &
+done